TB2 Fluid Gate

Reviewed by · Licensed Acupuncturist & TCM Physician · Last reviewed June 2026

TB2 (Yèmén, “Fluid Gate”) is the Ying-Spring point of the Triple Burner Meridian. TB2 is located on the dorsum of the hand, in the depression distal to the metacarpophalangeal joint between the ring and little fingers. It clears heat, benefits the head and ears, alleviates pain.

Location

TB2 is located on the dorsum of the hand, in the depression distal to the metacarpophalangeal joint between the ring and little fingers.

Needling

Insert perpendicularly 0.3-0.5 cun.

TCM functions

Clears heat, benefits the head and ears, alleviates pain.

Indications

Headache, redness of eyes, sudden deafness, sore throat, pain in the arm and hand.

Ying-Spring

Clinical notes

As a Ying-Spring point, TB2 is known for clearing heat from the San Jiao channel, making it effective for acute inflammatory conditions along the meridian, especially in the head and ears. It is frequently used for headache, redness and swelling of the eyes, and sudden deafness. Its heat-clearing action also extends to the throat, addressing sore throat and tonsillitis.

On the Triple Burner channel

TB2 is one of 23 points on the Triple Burner Meridian. Nearby points:

Frequently asked questions

Where is TB2 located?

TB2 is located on the dorsum of the hand, in the depression distal to the metacarpophalangeal joint between the ring and little fingers.

What is TB2 used for?

TB2 clears heat, benefits the head and ears, alleviates pain. Common clinical indications include headache, redness of eyes, sudden deafness, sore throat, pain in the arm and hand.

How is TB2 needled?

Insert perpendicularly 0.3-0.5 cun.

Which meridian is TB2 on?

TB2 is a point on the Triple Burner Meridian (Sān Jiāo).

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⚠️ This page is for general education and is not medical advice. Acupuncture is a traditional practice; evidence varies by condition and study quality, and individual results differ. It does not replace diagnosis or treatment by a licensed professional. Always consult a qualified acupuncturist or physician.